Question 1hardmultiple choice
Full question →hardmultiple choiceObjective-mapped
A company runs a high-performance computing (HPC) workload that requires low-latency access to large files (hundreds of GB) from thousands of Azure VMs concurrently. The files must be accessible via the NFS protocol and the solution must be a fully managed, POSIX-compliant file system that can scale throughput linearly with capacity. Which Azure storage solution should they choose?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Azure NetApp Files
Correct. Azure NetApp Files offers high performance, low latency, and POSIX compliance with linear throughput scalability.
B
Distractor review
Azure Files (premium tier)
Azure Files premium provides NFS but has lower throughput and IOPS compared to NetApp Files, and may not meet HPC needs.
C
Distractor review
Azure Blob Storage with NFS 3.0 support
Blob Storage with NFS provides standard storage, but latency and throughput are not suitable for demanding HPC workloads.
D
Distractor review
Azure HPC Cache
HPC Cache is a caching service that accelerates access to existing storage; it is not a fully managed file system itself.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A company is designing hub-and-spoke networking. Spoke VNets must use a central Azure Firewall for outbound internet traffic. Which two configurations are required?
Question 2
A company is designing private access to a PaaS database from workloads in a VNet. The database should not be reachable over its public endpoint. What should be recommended?
Question 3
A data platform must support analytical queries over petabytes of files in a data lake, while preserving hierarchical namespaces and fine-grained ACLs. Which storage service should you design around?
Question 4
A database workload has an RPO of 15 minutes and an RTO of 4 hours. Cost is more important than near-zero data loss. Which design is usually more appropriate than synchronous multi-region replication?
Question 5
A hub-and-spoke Azure network must centralize outbound inspection and still allow spokes to resolve private endpoint DNS names. Which two components are commonly required? (Choose 2.)
Question 6
A multinational company uses Microsoft Entra ID and several Azure subscriptions. Security administrators need to review privileged role assignments every month and require justification for continued access. Which design should be recommended?
FAQ
Questions learners often ask
What does this AZ-305 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Azure NetApp Files — Azure NetApp Files is a fully managed, high-performance file storage service that supports NFS and SMB. It offers low-latency, high throughput, and linear scalability. Azure Files (premium) also supports NFS but has lower performance ceilings and is not optimized for HPC. Azure Blob Storage with NFS 3.0 support provides standard performance but not the low latency needed for HPC. Azure HPC Cache is a caching layer, not a fully managed file system.
What should I do if I get this AZ-305 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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